New tests for language selectors in CSS3 Selectors
Add test for css3 background size.
Add tests for css3 background clip.
Add tests for css3 background origin.
Add tests for css3 border image.
Created support/ folder and copied necessary support files.

--HG--
rename : approved/css2.1/src/backgrounds/support/black20x20.png => contributors/howcome/submitted/support/black20x20.png
rename : approved/css2.1/src/backgrounds/support/swatch-lime.png => contributors/howcome/submitted/support/swatch-lime.png
Modified and approved multicol-break-000, multicol-fill-000,
multicol-fill-001, multicol-gap-000, multicol-overflow-000,
multicol-reduce-000 tests and associated reftests.
Modified and approved multicol-rule-* tests and
associated reftests.
Removed multicol-rule-inset-000-ref.xht,
multicol-rule-none-000-ref.xht and
multicol-rule-outset-000-ref.xht
Created a support folder for black20x20, swatch-blue,
swatch-gray, swatch-lime, swatch-orange, swatch-pink,
swatch-purple, swatch-yellow.
Filename-renamed multicol-block-clip-ref.xht as
multicol-block-clip-001-ref.xht
Filename-renamed multicol-block-clip-2-ref.xht as
multicol-block-clip-002-ref.xht

--HG--
rename : contributors/opera/submitted/multicol/multicol-block-clip-ref.xht => contributors/opera/submitted/multicol/multicol-block-clip-001-ref.xht
rename : contributors/opera/submitted/multicol/multicol-block-clip-2-ref.xht => contributors/opera/submitted/multicol/multicol-block-clip-002-ref.xht
rename : contributors/howcome/submitted/support/black20x20.png => contributors/opera/submitted/multicol/support/black20x20.png
rename : contributors/gtalbot/submitted/support/swatch-blue.png => contributors/opera/submitted/multicol/support/swatch-blue.png
rename : contributors/howcome/submitted/support/swatch-lime.png => contributors/opera/submitted/multicol/support/swatch-lime.png
rename : contributors/gtalbot/submitted/support/swatch-orange.png => contributors/opera/submitted/multicol/support/swatch-orange.png
rename : approved/css2.1/src/floats-clear/support/swatch-purple.png => contributors/opera/submitted/multicol/support/swatch-purple.png
rename : contributors/gtalbot/submitted/support/swatch-yellow.png => contributors/opera/submitted/multicol/support/swatch-yellow.png
Modified and approved multicol-block-clip-001, multicol-block-clip-002
multicol-clip-001 and multicol-clip-002 and their respective
associated reftests.
Filename-renaming multicol-columns-ref.xht as
multicol-columns-001-ref.xht.

--HG--
rename : contributors/opera/submitted/multicol/multicol-columns-ref.xht => contributors/opera/submitted/multicol/multicol-columns-001-ref.xht
Modified and approved multicol-collapsing-001 and
multicol-columns-00[1-7] and their respective associated reftests.
multicol-columns-toolong-002.xht has been filename-renamed as
multi-columns-invalid-002.xht
multicol-columns-toolong-ref.xht has been filename-renamed as
multicol-columns-toolong-001-ref.xht

--HG--
rename : contributors/opera/submitted/multicol/multicol-columns-toolong-002.xht => contributors/opera/submitted/multicol/multicol-columns-invalid-002.xht
rename : contributors/opera/submitted/multicol/multicol-columns-toolong-ref.xht => contributors/opera/submitted/multicol/multicol-columns-toolong-001-ref.xht
Renamed multicol-columns-toolong-001-ref.xht as
multicol-columns-invalid-001-ref.xht

--HG--
rename : contributors/opera/submitted/multicol/multicol-columns-toolong-001-ref.xht => contributors/opera/submitted/multicol/multicol-columns-invalid-001-ref.xht
Renamed multicol-containing-ref.xht as multicol-containing-001-ref.xht

--HG--
rename : contributors/opera/submitted/multicol/multicol-containing-ref.xht => contributors/opera/submitted/multicol/multicol-containing-001-ref.xht
Modified and approved multicol-columns-invalid-001,
multicol-columns-invalid-002, multicol-columns-toolong-001
and multicol-containing-001 and their associated reftests.
Renamed multicol-count-computed-3-ref.xht as
multicol-count-computed-003-ref.xht
Renamed multicol-count-2-ref.xht as
multicol-count-002-ref.xht

--HG--
rename : contributors/opera/submitted/multicol/multicol-count-2-ref.xht => contributors/opera/submitted/multicol/multicol-count-002-ref.xht
rename : contributors/opera/submitted/multicol/multicol-count-computed-3-ref.xht => contributors/opera/submitted/multicol/multicol-count-computed-003-ref.xht
Modified and approved multicol-count-001.xht, multicol-count-002.xht,
multicol-count-computed-003.xht, multicol-count-computed-004.xht
and multicol-count-computed-005.xht
Added multicol-count-computed-004-ref.xht
Modified and approved multicol-count-negative-001.xht,
multicol-count-negative-002.xht and multicol-fill-auto-001.xht
Added multicol-fill-auto-001-ref.xht
Adding multicol-fill-auto-block-children-002.xht and its reftest.